Echo MS-41BPD Manual De Uso Y Cuidado página 8

TROUBLE SHOOTING YOUR SPRAYER
Symptom
Diffculty actuating the pumphandle and/or
pump handle moves itself back up.
Little or no resistance during
repeated pumping – no pressure.
Too much resistance after just a few
pumping strokes but pressure only lasts
briefy.
Upward pumping action is more diffcult
and/orpump handle moves itself backdown.
Leaks at Piston Cylinder
Shut-off leaks
Wand assembly leaks
Nozzle assembly leaks
Leak between pump assembly
and tank
Hose leaking at tank outlet
Hose leaking at shut-off
Possible Reason
Upper valve plate sticks
Piston cylinder outlet passage clogged
Damaged/worn/dirty/upper valve plate
Piston Collar or piston cylinder
assembly is worn
Not enough air cushion in the pressure
chamber
Upper valve plate damaged/worn/dirty
Vent hole is clogged
Lower valve plate sticks
Clogged intake filter
Piston cylinder intake clogged
Damaged/worn/Dirty Collar
Damaged Piston Cylinder
Damaged Piston
Connections loose
Worn or damaged shut-off
Connections loose
Damaged or worn o-ring/gasket
Connections loose
Damaged or worn o-ring/gasket
Pump clamp loose
O-ring worn or damaged
Hose clamp loose
Connection loose
Damaged or worn o-ring/gasket
7E
Correction
Clean or replace valve plate
Clean piston cylinder outlet passage
Clean or Replace Valve Plate
Replace Piston/ Diaphragm assembly
Release pressure in pressure chamber
Remove the hose & drain pressure
chamber. Reconnect the hose.
Clean or replace upper valve plate
Clear the vent hole in cap
Clean or replace the valve plate
Clean the In-Tank filter
Clean piston cylinder intake
Replace Piston/ Diaphragm assembly
Replace Piston/ Diaphragm assembly
Replace Piston/ Diaphragm assembly
Tighten connection
Rebuild or replace the shut-off valve
Tighten connection
Replace o-ring/gasket
Tighten connection
Replace o-ring/gasket
Tighten clamp
Replace pressure chamber oring
Tighten clamp
Tighten retaining nut
Replace o-ring/gasket